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Related Experiment Video

Updated: Oct 25, 2025

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Cellular feedback dynamics and multilevel regulation driven by the hippo pathway.

Jiwon Park1,2, Carsten Gram Hansen1,2

  • 1University of Edinburgh Centre for Inflammation Research, Institute for Regeneration and Repair, Queen's Medical Research Institute, Edinburgh bioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, U.K.

Biochemical Society Transactions
|August 10, 2021
PubMed
Summary

The Hippo pathway, a key regulator of cell growth and death, becomes dysregulated in diseases like cancer when its components YAP and TAZ are overactive. Understanding its complex feedback loops is crucial for therapeutic development.

Keywords:
STRIPAKYAP/TAZcell migrationfeedbackhippo pathwaymitosis

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Area of Science:

  • Cellular Biology
  • Molecular Signaling
  • Developmental Biology

Background:

  • The Hippo pathway is a critical signaling network controlling cell proliferation, differentiation, and apoptosis.
  • Dysregulation of the Hippo pathway, particularly hyperactivity of YAP and TAZ, is linked to pathological conditions including cancer and fibrosis.
  • The pathway's intricate regulation involves feedback mechanisms and interactions with external factors, impacting fundamental cellular processes.

Purpose of the Study:

  • To review recent advances in understanding the feedback dynamics and multilevel regulation of the Hippo pathway.
  • To focus on the pathway's role in mitosis and cell migration.
  • To identify future research directions for exploring the pathway's dynamics and therapeutic potential.

Main Methods:

  • Literature review of recent studies on Hippo pathway regulation.
  • Analysis of feedback mechanisms and crosstalk with other cellular pathways.
  • Focus on spatio-temporal regulation and component interactions.

Main Results:

  • The Hippo pathway integrates multiple feedback levels and interacts with external regulators.
  • Hippo core kinases exhibit moonlighting functions, phosphorylating substrates outside the pathway.
  • Spatio-temporal regulation is key to controlling the pathway's context-dependent activity.

Conclusions:

  • The Hippo pathway's complex regulatory network offers significant therapeutic potential.
  • Further research into feedback dynamics and multilevel regulation is needed to uncover novel insights.
  • Understanding the pathway's role in mitosis and cell migration is vital for addressing related diseases.